Is T49.5X1 a billable code?
No. T49.5X1 is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
T49.5X1: Poisoning by ophthalmological drugs and preparations, accidental (unintentional)
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
T49.5X1 groups related diagnoses under poisoning by ophthalmological drugs and preparations, accidental (unintentional). It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under T49.5X1
- T49.5X1APoisoning by ophthalmological drugs and preparations, accidental (unintentional), initial encounter
- T49.5X1DPoisoning by ophthalmological drugs and preparations, accidental (unintentional), subsequent encounter
- T49.5X1SPoisoning by ophthalmological drugs and preparations, accidental (unintentional), sequela
Other codes in T49.5X Poisoning by, adverse effect of and underdosing of ophthalmological drugs and preparations
- T49.5X2Poisoning by ophthalmological drugs and preparations, intentional self-harmheader
- T49.5X3Poisoning by ophthalmological drugs and preparations, assaultheader
- T49.5X4Poisoning by ophthalmological drugs and preparations, undeterminedheader
- T49.5X5Adverse effect of ophthalmological drugs and preparationsheader
- T49.5X6Underdosing of ophthalmological drugs and preparationsheader
T49.5X1 questions
What does T49.5X1 mean?
T49.5X1 is the ICD-10-CM code for Poisoning by ophthalmological drugs and preparations, accidental (unintentional). It is in chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.